Sleep and Memory (Sleep and Memory) | 마음스캔 심리학 용어사전

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Sleep and memory are closely connected. While you sleep, your brain organizes the experiences from the day, stores important memories into long-term memory, and filters out unnecessary information.

How Does Sleep Affect Memory?

Let's explore this together with Mindy. Sleep is not simply a time to rest. During sleep, the brain works very actively to refine and strengthen memories.

Sleep Stages and Memory

Slow-wave sleep (deep sleep): Factual information learned during the day (declarative memory) is transferred from the hippocampus to the cerebral cortex for long-term storage

REM sleep (dreaming sleep): Emotional memories are processed and creative connections are formed. It is also important for strengthening procedural memory (skills learned through the body)

Sleep spindles: Brain waves that appear during light sleep and play a key role in memory consolidation

Effects of Sleep Deprivation

The ability to learn new information drops significantly

Emotional memories are not properly processed, making it easier for negative emotions to linger

Concentration and judgment are impaired

A Warm Word from Mindy

Getting enough sleep is vital not only for memory but also for emotional well-being. Rather than studying all night before an exam, studying adequately and then getting a full night's sleep is far more effective for memory. Tonight, give your brain the gift of enough time to organize itself.

💡 Real-Life Example

Students who get enough sleep the night before an important exam often perform better than those who study all night — because sleep helps consolidate memories.

Related Terms

수면 구조

REM 수면

해마

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